<?php
namespace app\home\controller;
use think\Controller;
class Base extends Controller
{
    public function initialize()
    {
        $first = db("area")->field('first')->distinct( true )->order(['first'])->select();
        $this->assign('first',$first);
        
        $area = db("area")->where('level',2)->order(['first'])->select();
        $this->assign('area',$area);
    }


}